Hieracium olympicum

Tutin, T. G., Heywood, V. H., Burges, N. A., Moore, D. M., Valentine, D. H., Walters, S. M. & Webb, D. A., 1976, Flora Europaea. Volume 4. Plantaginaceae to Compositae (and Rubiaceae), Cambridge University Press : 402

217. H. olympicum group ( H. heterogynum / racemosum ). Stems 40-80 cm, with few to numerous stellate hairs and dense patent, rigid simple eglandular hairs 8-25 mm. Leaves 12- 20(-30), 20-200 mm, glaucous, with rigid, patent, bulbous-based simple eglandular hairs 3-6 mm, with a few minute glandular hairs on the margin, the lower leaves oblong or oblong-lanceolate, more or less acute, denticulate to shallowly dentate, longattenuate into a winged petiole, the upper ovate-lanceolate to linear, smaller. Capitula 4-8(-15); peduncles bracteate, with numerous stellate hairs, dense rigid simple eglandular hairs and few glandular hairs. Involucre (9—) 12—15(—17) x 8-11 mm; bracts wide, obtuse to acute, with few to dense rigid simple eglandular hairs up to 18 mm, dense stellate hairs and few minute glandular hairs. Achenes pale brown. Mountains of Bulgaria and N.E. Greece. Bu Gr. Included species:

H. argyrotrichum Freyn in Velen., FI. Bulg. 349 (1891). Bu?Gr. H. olympicum Boiss. , Diagn. Pl. Or. Nov. 1(4): 30 (1844) is confined to Anatolia.